Things got ugly in SÃ£o Paolo Thursday night when 5,000 demonstrators blocked traffic and vandalized buildings in the city. So what's all this commotion about? A simple urban concern: a hike in bus fare, the equivalent of just 10 US cents.

Things got ugly in SÃ£o Paolo Thursday night when 5,000 demonstrators blocked traffic and vandalized buildings in the city. So what's all this commotion about? A simple urban concern: a hike in bus fare, the equivalent of just 10 US cents.